S
M
T
W
T
F
S
29
38°
25°
30
37°
25°
1
34°
24°
2
33°
24°
3
32°
23°
4
35°
23°
5
34°
22°
6
31°
21°
7
28°
14°
8
23°
13°
9
25°
16°
10
32°
20°
11
33°
20°
12
33°
19°
13
31°
20°
14
22°
16°
15
25°
15°
16
28°
16°
17
29°
17°
18
30°
16°
19
29°
13°
20
28°
5°
21
25°
10°
22
21°
13°
23
28°
15°
24
27°
12°
25
29°
7°
26
24°
9°
27
21°
13°
28
25°
12°
29
26°
9°
30
23°
9°
31
25°
5°
1
27°
0°
2
16°
0°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
December Weather in Phlox
Phlox's December 2026 forecast shows daily high temperatures ranging from 16° to 38°, with overnight lows between 0° and 25°. The average high for December is 28° with an average low of 15°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Phlox. See also: January | February | March.